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10,11-Dihydro-5H-dibenzo[a,d]cyclohepten-5-ylidene-sigs?ure-ethylester, also known as Ethyl 10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5-ylideneacetate, is a complex organic compound with the chemical formula C19H18O2. It is a derivative of dibenzocyclohepten, a tricyclic aromatic compound, and features an ethyl ester group attached to the ylidene acetate moiety. 10,11-Dihydro-5H-dibenzocyclohepten-5-ylidenessigsaeure-ethylester is characterized by its unique molecular structure, which includes a cyclohepten ring fused to two benzene rings, and a double bond between the cyclohepten and one of the benzene rings. It is synthesized through various chemical reactions and is used in the pharmaceutical and chemical industries for the development of drugs and other organic compounds. The compound's properties, such as its reactivity and stability, are influenced by the presence of the ethyl ester group, which can be hydrolyzed under certain conditions to yield the corresponding acid.

3707-55-9

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3707-55-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3707-55-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,7,0 and 7 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 3707-55:
(6*3)+(5*7)+(4*0)+(3*7)+(2*5)+(1*5)=89
89 % 10 = 9
So 3707-55-9 is a valid CAS Registry Number.

3707-55-9Relevant academic research and scientific papers

Double Heck reaction of bridged o,o′-dibromobiaryls with ethyl acrylate

Prashad, Mahavir,Liu, Yugang,Mak, Xiao Yin,Har, Denis,Repi?, Oljan,Blacklock, Thomas J.

, p. 8559 - 8562 (2002)

An inter- followed by an intramolecular double Heck reaction of bridged o,o′-dibromobiaryls with ethyl acrylate is described. The nature of the bridging atom/group determined the outcome of the reaction. This double Heck reaction strategy afforded a safe and convenient synthesis of 9-(ethoxycarbonylmethylene)-9H-xanthene and a novel route to 9 and/or 10-substituted anthracene derivatives.

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